Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 14

Question 66

▼

How are spindle fibers attached to chromosomes in metaphase-I?

Both centromeres attach to the same pole
Spindle fibers attach to chromatids randomly
One centromere of a bivalent attaches to one pole via spindle fibers
Spindle fibers dissolve completely

Question 67

▼

What is the arrangement of bivalents during metaphase-I of meiosis?

At the poles
Scattered randomly
At the equatorial plate
Inside the nucleus

Question 68

▼

What happens to the nuclear membrane and nucleolus during late prophase-I (diakinesis)?

They double in size
They migrate to poles
They disappear
They become more prominent

Question 69

▼

What configuration do bivalents acquire during prophase-I of meiosis due to chiasmata?

Circular only
Linear arrangements
Y-shaped structures
O, X or 8 configurations

Question 70

▼

What change occurs in chromosomes during diakinesis?

Chromosomes decondense
Crossing-over is completed
Bivalents become shortest and thickest due to maximum coiling
Homologous chromosomes pair up